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December 18, 2025 other Open access Aachen paper

Pseudagrion williamsoni Fraser 1922

Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.18338957 Full text (OA) OpenAlex

Abstract

Pseudagrion williamsoni Fraser, 1922 Selected references: Pseudagrion williamsoni Fraser, 1922;— Dow et al. 2018: 12 (first records from Sumatra: Riau). Specimens collected. M1g: 1 ♂, 1 ♀ (RER20 _ COE147–148; RER), in tandem, 26 i 2020; 2 ♂♂ (RER23 _ COE149– 150; BRIN), 26 i 2020; 2 ♂♂ (RER20 _ COE151–152; UMRI), 26 i 2020; M1p: 1 ♂ (RER23 _ COE120; RER), 12 ii 2023; 1 ♂, 1 ♀ (RER23 _ COE121–122, BRIN), 12 ii 2023; M12a: 1 ♂ (RER23 _ COE262; BRIN), 18 vi 2023; M13a: 1 ♂, 1 ♀ (RER23 _ COE258–259; UMRI), 18 vi 2023; 2 ♂♂ (RER23 _ COE260–261; RER), 18 vi 2023; M13b: 1 ♂ (RER23 _ COE335; UMRI), 29 ix 2023. Remarks. Fairly common among vegetation in the open lake areas on Sungai Serkap and also along the banks of the Kampar River.

Authors 7

  1. Rory A. Dow Aachen Institute of Biodiversity and Environmental Conservation

    Naturalis Biodiversity Center · Universiti Malaysia Sarawak

    Affiliation as printed

    Institute of Biodiversity and Environmental Conservation, Universiti Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia. & Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden, The Netherlands

  2. Novia Gesriantuti

    Universitas Muhammadiyah Riau

    Affiliation as printed

    Program Studi Biologi Fakultas MIPA Dan Kesehatan, Universitas Muhammadiyah Riau, Indonesia

  3. Muhammad Iqbal

    Riau University

    Affiliation as printed

    Restorasi Ekosistem Riau, Pangkalan Kerinci

  4. Pungki Lupiyan-Ingdyah

    Brigham Young University · National Research and Innovation Agency

    Affiliation as printed

    Research Center for Biosystematics and Evolution, National Research and Innovation Agency (BRIN), Cibinong, Kabupaten Bogor, Jawa Barat 16911, Indonesia. & Department of Biology, Brigham Young University, Provo, UT 84602, USA

  5. JOHN F. PERIERA
    Affiliation as printed

    Restorasi Ekosistem Riau, Pangkalan Kerinci, Riau

  6. Shinta O. Zulya

    Universitas Muhammadiyah Riau

    Affiliation as printed

    Program Studi Biologi Fakultas MIPA Dan Kesehatan, Universitas Muhammadiyah Riau, Indonesia

  7. Bradford M. Sanders
    Affiliation as printed

    Restorasi Ekosistem Riau, Pangkalan Kerinci, Riau

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